CA2471122C - Plaques de champ d'ecoulement du fluide pour des cellules electrochimiques - Google Patents

Plaques de champ d'ecoulement du fluide pour des cellules electrochimiques Download PDF

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Publication number
CA2471122C
CA2471122C CA2471122A CA2471122A CA2471122C CA 2471122 C CA2471122 C CA 2471122C CA 2471122 A CA2471122 A CA 2471122A CA 2471122 A CA2471122 A CA 2471122A CA 2471122 C CA2471122 C CA 2471122C
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CA
Canada
Prior art keywords
fluid flow
channel
flow field
plate
channels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2471122A
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English (en)
Other versions
CA2471122A1 (fr
Inventor
Peter David Hood
Philip John Mitchell
Paul Leonard Adcock
Simon Edward Foster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intelligent Energy Ltd
Original Assignee
Intelligent Energy Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intelligent Energy Ltd filed Critical Intelligent Energy Ltd
Publication of CA2471122A1 publication Critical patent/CA2471122A1/fr
Application granted granted Critical
Publication of CA2471122C publication Critical patent/CA2471122C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H01M8/026—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H01M8/0263—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H01M8/0265—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

Une plaque de champ d'écoulement du fluide bipolaire destinée à une cellule électrochimique apporte du combustible à une électrode d'anode poreuse et un oxydant à une électrode de cathode poreuse adjacente. La plaque de champ d'écoulement comprend une feuille non poreuse, conduisant l'électricité, dans laquelle sont formés des passages d'écoulement pour le fluide. Un premier canal d'écoulement pour le fluide est gravé dans une première face de la feuille et un deuxième canal d'écoulement pour le fluide est gravé dans la face opposée de la feuille. Le motif du premier canal comprend un peigne interdigité qui coopère avec un motif du deuxième canal comprenant un chemin ondulé, de sorte qu'aucune partie du premier canal ne recouvre directement le motif du deuxième passage au-dessus d'une zone sensiblement active de la feuille. Ceci permet de former les canaux avec des profondeurs différentes qui dépassent l'épaisseur totale de la plaque, et d'accroître ainsi les volumes d'écoulement pour le fluide.
CA2471122A 2001-11-07 2002-10-03 Plaques de champ d'ecoulement du fluide pour des cellules electrochimiques Expired - Fee Related CA2471122C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0126688A GB2382455B (en) 2001-11-07 2001-11-07 Fuel cell fluid flow field plates
GB0126688.1 2001-11-07
PCT/GB2002/004483 WO2003041199A2 (fr) 2001-11-07 2002-10-03 Plaques de champ d'ecoulement du fluide pour des cellules electrochimiques

Publications (2)

Publication Number Publication Date
CA2471122A1 CA2471122A1 (fr) 2003-05-15
CA2471122C true CA2471122C (fr) 2010-11-30

Family

ID=9925290

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2471122A Expired - Fee Related CA2471122C (fr) 2001-11-07 2002-10-03 Plaques de champ d'ecoulement du fluide pour des cellules electrochimiques

Country Status (11)

Country Link
US (1) US8304139B2 (fr)
EP (1) EP1442491B1 (fr)
JP (1) JP4700910B2 (fr)
BR (1) BR0206313A (fr)
CA (1) CA2471122C (fr)
GB (1) GB2382455B (fr)
MX (1) MXPA04004279A (fr)
NO (1) NO333667B1 (fr)
RU (1) RU2302689C2 (fr)
WO (1) WO2003041199A2 (fr)
ZA (1) ZA200304912B (fr)

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GB2413002B (en) * 2004-04-08 2006-12-06 Intelligent Energy Ltd Fuel cell gas distribution
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Also Published As

Publication number Publication date
NO20033090D0 (no) 2003-07-07
US8304139B2 (en) 2012-11-06
GB0126688D0 (en) 2002-01-02
JP2005509260A (ja) 2005-04-07
WO2003041199A3 (fr) 2003-11-27
EP1442491B1 (fr) 2017-08-16
RU2004117094A (ru) 2005-11-20
ZA200304912B (en) 2004-09-27
WO2003041199A2 (fr) 2003-05-15
US20050048351A1 (en) 2005-03-03
GB2382455A (en) 2003-05-28
NO333667B1 (no) 2013-08-05
EP1442491A2 (fr) 2004-08-04
RU2302689C2 (ru) 2007-07-10
MXPA04004279A (es) 2005-05-16
CA2471122A1 (fr) 2003-05-15
BR0206313A (pt) 2004-02-10
NO20033090L (no) 2003-09-02
JP4700910B2 (ja) 2011-06-15
GB2382455B (en) 2004-10-13

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Effective date: 20191003